kill switch
noun /ˈkɪl swɪtʃ/
/ˈkɪl swɪtʃ/
- a switch that can quickly stop a machine working, especially if something goes wrong
停止开关：可以快速停止机器运行的开关，尤其是出现问题时 - An emergency kill switch fitted to the engine had helped save the man's life.
安装在发动机上的紧急切断开关帮助挽救了这个人的生命。
- An emergency kill switch fitted to the engine had helped save the man's life.